<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"> <style>
	.KEYW {color: #933;}
	.COMM {color: #bbb; font-style: italic;}
	.NUMB {color: #393;}
	.STRN {color: #393;}
	.REGX {color: #339;}
	.line {border-right: 1px dotted #666; color: #666; font-style: normal;}
	</style></head><body><pre><span class='line'>  1</span> <span class="COMM">/**
<span class='line'>  2</span>  * Hilo
<span class='line'>  3</span>  * Copyright 2015 alibaba.com
<span class='line'>  4</span>  * Licensed under the MIT License
<span class='line'>  5</span>  */</span><span class="WHIT">
<span class='line'>  6</span> 
<span class='line'>  7</span> </span><span class="COMM">/**
<span class='line'>  8</span>  * Heavily inspired by PIXI's SpriteRenderer:
<span class='line'>  9</span>  * https://github.com/pixijs/pixi.js/blob/v3.0.9/src/core/sprites/webgl/SpriteRenderer.js
<span class='line'> 10</span>  */</span><span class="WHIT">
<span class='line'> 11</span> 
<span class='line'> 12</span> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">DEG2RAD</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.PI</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NUMB">180</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 13</span> </span><span class="COMM">/**
<span class='line'> 14</span>  * @class webgl画布渲染器。所有可视对象将渲染在canvas画布上。
<span class='line'> 15</span>  * @augments Renderer
<span class='line'> 16</span>  * @param {Object} properties 创建对象的属性参数。可包含此类所有可写属性。
<span class='line'> 17</span>  * @module hilo/renderer/WebGLRenderer
<span class='line'> 18</span>  * @requires hilo/core/Class
<span class='line'> 19</span>  * @requires hilo/core/Hilo
<span class='line'> 20</span>  * @requires hilo/renderer/Renderer
<span class='line'> 21</span>  * @requires  hilo/geom/Matrix
<span class='line'> 22</span>  * @property {WebGLRenderingContext} gl webgl上下文。只读属性。
<span class='line'> 23</span>  */</span><span class="WHIT">
<span class='line'> 24</span> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">WebGLRenderer</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Class.create</span><span class="PUNC">(</span><span class="COMM">/** @lends WebGLRenderer.prototype */</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 25</span> </span><span class="WHIT">    </span><span class="NAME">Extends</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">Renderer</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 26</span> </span><span class="WHIT">    </span><span class="NAME">Statics</span><span class="PUNC">:</span><span class="COMM">/** @lends WebGLRenderer */</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 27</span> </span><span class="WHIT">        </span><span class="COMM">/**
<span class='line'> 28</span>          * 最大批渲染数量。
<span class='line'> 29</span>          * @type {Number}
<span class='line'> 30</span>          */</span><span class="WHIT">
<span class='line'> 31</span> </span><span class="WHIT">        </span><span class="NAME">MAX_BATCH_NUM</span><span class="PUNC">:</span><span class="NUMB">2000</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 32</span> </span><span class="WHIT">        </span><span class="COMM">/**
<span class='line'> 33</span>          * 顶点属性数。只读属性。
<span class='line'> 34</span>          * @type {Number}
<span class='line'> 35</span>          */</span><span class="WHIT">
<span class='line'> 36</span> </span><span class="WHIT">        </span><span class="NAME">ATTRIBUTE_NUM</span><span class="PUNC">:</span><span class="NUMB">5</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 37</span> </span><span class="WHIT">        </span><span class="COMM">/**
<span class='line'> 38</span>          * 是否支持WebGL。只读属性。
<span class='line'> 39</span>          * @type {Boolean}
<span class='line'> 40</span>          */</span><span class="WHIT">
<span class='line'> 41</span> </span><span class="WHIT">        </span><span class="NAME">isSupport</span><span class="PUNC">:</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 42</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">this._isSupported</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="NAME">undefined</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 43</span> </span><span class="WHIT">                </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">canvas</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">document.createElement</span><span class="PUNC">(</span><span class="STRN">'canvas'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 44</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">canvas.getContext</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">canvas.getContext</span><span class="PUNC">(</span><span class="STRN">'webgl'</span><span class="PUNC">)</span><span class="PUNC">||</span><span class="NAME">canvas.getContext</span><span class="PUNC">(</span><span class="STRN">'experimental-webgl'</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 45</span> </span><span class="WHIT">                    </span><span class="NAME">this._isSupported</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 46</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 47</span> </span><span class="WHIT">                </span><span class="KEYW">else</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 48</span> </span><span class="WHIT">                    </span><span class="NAME">this._isSupported</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 49</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 50</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 51</span> </span><span class="WHIT">            </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">this._isSupported</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 52</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 53</span> </span><span class="WHIT">        </span><span class="COMM">/**
<span class='line'> 54</span>          * WebGL context Options
<span class='line'> 55</span>          * @see  https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/getContextAttributes
<span class='line'> 56</span>          * @type {Object}
<span class='line'> 57</span>          */</span><span class="WHIT">
<span class='line'> 58</span> </span><span class="WHIT">        </span><span class="NAME">contextOptions</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="WHIT">
<span class='line'> 59</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 60</span> </span><span class="WHIT">    </span><span class="NAME">renderType</span><span class="PUNC">:</span><span class="STRN">'webgl'</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 61</span> </span><span class="WHIT">    </span><span class="NAME">gl</span><span class="PUNC">:</span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 62</span> </span><span class="WHIT">    </span><span class="NAME">_isContextLost</span><span class="PUNC">:</span><span class="KEYW">false</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 63</span> </span><span class="WHIT">    </span><span class="NAME">_cacheTexture</span><span class="PUNC">:</span><span class="PUNC">{</span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 64</span> </span><span class="WHIT">    </span><span class="NAME">constructor</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">properties</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 65</span> </span><span class="WHIT">        </span><span class="NAME">WebGLRenderer.superclass.constructor.call</span><span class="PUNC">(</span><span class="KEYW">this</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">properties</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 66</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">that</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 67</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">contextOptions</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">WebGLRenderer.contextOptions</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 68</span> </span><span class="WHIT">        </span><span class="NAME">this.gl</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.canvas.getContext</span><span class="PUNC">(</span><span class="STRN">"webgl"</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">contextOptions</span><span class="PUNC">)</span><span class="PUNC">||</span><span class="NAME">this.canvas.getContext</span><span class="PUNC">(</span><span class="STRN">'experimental-webgl'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">contextOptions</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 69</span> 
<span class='line'> 70</span> </span><span class="WHIT">        </span><span class="NAME">this.maxBatchNum</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">WebGLRenderer.MAX_BATCH_NUM</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 71</span> </span><span class="WHIT">        </span><span class="NAME">this.positionStride</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">WebGLRenderer.ATTRIBUTE_NUM</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">4</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 72</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">vertexNum</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.maxBatchNum</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">WebGLRenderer.ATTRIBUTE_NUM</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">4</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 73</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">indexNum</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.maxBatchNum</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">6</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 74</span> </span><span class="WHIT">        </span><span class="NAME">this.arrayBuffer</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">ArrayBuffer</span><span class="PUNC">(</span><span class="NAME">vertexNum</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">4</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 75</span> </span><span class="WHIT">        </span><span class="NAME">this.float32Array</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Float32Array</span><span class="PUNC">(</span><span class="NAME">this.arrayBuffer</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 76</span> </span><span class="WHIT">        </span><span class="NAME">this.uint32Array</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Uint32Array</span><span class="PUNC">(</span><span class="NAME">this.arrayBuffer</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 77</span> </span><span class="WHIT">        </span><span class="NAME">this.indexs</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Uint16Array</span><span class="PUNC">(</span><span class="NAME">indexNum</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 78</span> </span><span class="WHIT">        </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">=</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">j</span><span class="PUNC">=</span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">indexNum</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">6</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">j</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">4</span><span class="PUNC">)</span><span class="WHIT">
<span class='line'> 79</span> </span><span class="WHIT">        </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 80</span> </span><span class="WHIT">            </span><span class="NAME">this.indexs</span><span class="PUNC">[</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">j</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 81</span> </span><span class="WHIT">            </span><span class="NAME">this.indexs</span><span class="PUNC">[</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">j</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 82</span> </span><span class="WHIT">            </span><span class="NAME">this.indexs</span><span class="PUNC">[</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">j</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 83</span> </span><span class="WHIT">            </span><span class="NAME">this.indexs</span><span class="PUNC">[</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">3</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">j</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 84</span> </span><span class="WHIT">            </span><span class="NAME">this.indexs</span><span class="PUNC">[</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">4</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">j</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 85</span> </span><span class="WHIT">            </span><span class="NAME">this.indexs</span><span class="PUNC">[</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">5</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">j</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">3</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 86</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 87</span> </span><span class="WHIT">        </span><span class="NAME">this.batchIndex</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 88</span> </span><span class="WHIT">        </span><span class="NAME">this.sprites</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 89</span> 
<span class='line'> 90</span> </span><span class="WHIT">        </span><span class="NAME">this.canvas.addEventListener</span><span class="PUNC">(</span><span class="STRN">'webglcontextlost'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">e</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 91</span> </span><span class="WHIT">            </span><span class="NAME">that._isContextLost</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 92</span> </span><span class="WHIT">            </span><span class="NAME">e.preventDefault</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 93</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 94</span> 
<span class='line'> 95</span> </span><span class="WHIT">        </span><span class="NAME">this.canvas.addEventListener</span><span class="PUNC">(</span><span class="STRN">'webglcontextrestored'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">e</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 96</span> </span><span class="WHIT">            </span><span class="NAME">that._isContextLost</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 97</span> </span><span class="WHIT">            </span><span class="NAME">that.setupWebGLStateAndResource</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 98</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 99</span> 
<span class='line'>100</span> </span><span class="WHIT">        </span><span class="NAME">this.setupWebGLStateAndResource</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>101</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>102</span> </span><span class="WHIT">    </span><span class="NAME">setupWebGLStateAndResource</span><span class="PUNC">:</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>103</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">gl</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.gl</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>104</span> </span><span class="WHIT">        </span><span class="NAME">gl.blendFunc</span><span class="PUNC">(</span><span class="NAME">gl.ONE</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">gl.ONE_MINUS_SRC_ALPHA</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>105</span> </span><span class="WHIT">        </span><span class="NAME">gl.clearColor</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>106</span> </span><span class="WHIT">        </span><span class="NAME">gl.disable</span><span class="PUNC">(</span><span class="NAME">gl.DEPTH_TEST</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>107</span> </span><span class="WHIT">        </span><span class="NAME">gl.disable</span><span class="PUNC">(</span><span class="NAME">gl.CULL_FACE</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>108</span> </span><span class="WHIT">        </span><span class="NAME">gl.enable</span><span class="PUNC">(</span><span class="NAME">gl.BLEND</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>109</span> 
<span class='line'>110</span> </span><span class="WHIT">        </span><span class="NAME">this._cacheTexture</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>111</span> </span><span class="WHIT">        </span><span class="NAME">this._initShaders</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>112</span> </span><span class="WHIT">        </span><span class="NAME">this.defaultShader.active</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>113</span> 
<span class='line'>114</span> </span><span class="WHIT">        </span><span class="NAME">this.positionBuffer</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gl.createBuffer</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>115</span> </span><span class="WHIT">        </span><span class="NAME">this.indexBuffer</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gl.createBuffer</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>116</span> 
<span class='line'>117</span> </span><span class="WHIT">        </span><span class="NAME">gl.bindBuffer</span><span class="PUNC">(</span><span class="NAME">gl.ELEMENT_ARRAY_BUFFER</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">this.indexBuffer</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>118</span> </span><span class="WHIT">        </span><span class="NAME">gl.bufferData</span><span class="PUNC">(</span><span class="NAME">gl.ELEMENT_ARRAY_BUFFER</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">this.indexs</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">gl.STATIC_DRAW</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>119</span> 
<span class='line'>120</span> </span><span class="WHIT">        </span><span class="NAME">gl.bindBuffer</span><span class="PUNC">(</span><span class="NAME">gl.ARRAY_BUFFER</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">this.positionBuffer</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>121</span> </span><span class="WHIT">        </span><span class="NAME">gl.bufferData</span><span class="PUNC">(</span><span class="NAME">gl.ARRAY_BUFFER</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">this.arrayBuffer</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">gl.DYNAMIC_DRAW</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>122</span> 
<span class='line'>123</span> </span><span class="WHIT">        </span><span class="NAME">gl.vertexAttribPointer</span><span class="PUNC">(</span><span class="NAME">this.a_position</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">gl.FLOAT</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">this.positionStride</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="COMM">//x, y</span><span class="WHIT">
<span class='line'>124</span> </span><span class="WHIT">        </span><span class="NAME">gl.vertexAttribPointer</span><span class="PUNC">(</span><span class="NAME">this.a_TexCoord</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">gl.FLOAT</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">this.positionStride</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">4</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="COMM">//x, y</span><span class="WHIT">
<span class='line'>125</span> </span><span class="WHIT">        </span><span class="NAME">gl.vertexAttribPointer</span><span class="PUNC">(</span><span class="NAME">this.a_tint</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">4</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">gl.UNSIGNED_BYTE</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">this.positionStride</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">4</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">4</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="COMM">//alpha</span><span class="WHIT">
<span class='line'>126</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>127</span> 
<span class='line'>128</span> </span><span class="WHIT">    </span><span class="NAME">context</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>129</span> 
<span class='line'>130</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>131</span>      * @private
<span class='line'>132</span>      * @see Renderer#startDraw
<span class='line'>133</span>      */</span><span class="WHIT">
<span class='line'>134</span> </span><span class="WHIT">    </span><span class="NAME">startDraw</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">target</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>135</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">target.visible</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">target.alpha</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>136</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">target</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NAME">this.stage</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>137</span> </span><span class="WHIT">                </span><span class="NAME">this.clear</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>138</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>139</span> </span><span class="WHIT">            </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>140</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>141</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>142</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>143</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>144</span>      * @private
<span class='line'>145</span>      * @see Renderer#draw
<span class='line'>146</span>      */</span><span class="WHIT">
<span class='line'>147</span> </span><span class="WHIT">    </span><span class="NAME">draw</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">target</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>148</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">w</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">target.width</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>149</span> </span><span class="WHIT">            </span><span class="NAME">h</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">target.height</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>150</span> 
<span class='line'>151</span> </span><span class="WHIT">        </span><span class="COMM">//TODO:draw background</span><span class="WHIT">
<span class='line'>152</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">bg</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">target.background</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="COMM">// jshint ignore:line</span><span class="WHIT">
<span class='line'>153</span> 
<span class='line'>154</span> </span><span class="WHIT">        </span><span class="COMM">//draw image</span><span class="WHIT">
<span class='line'>155</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">drawable</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">target.drawable</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">image</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">drawable</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">drawable.image</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>156</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">image</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>157</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">rect</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">drawable.rect</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">sw</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">rect</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">sh</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">rect</span><span class="PUNC">[</span><span class="NUMB">3</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>158</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">w</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>159</span> </span><span class="WHIT">                </span><span class="COMM">//fix width/height TODO: how to get rid of this?</span><span class="WHIT">
<span class='line'>160</span> </span><span class="WHIT">                </span><span class="NAME">w</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">target.width</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">sw</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>161</span> </span><span class="WHIT">                </span><span class="NAME">h</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">target.height</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">sh</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>162</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>163</span> 
<span class='line'>164</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">this.batchIndex</span><span class="WHIT"> </span><span class="PUNC">>=</span><span class="WHIT"> </span><span class="NAME">this.maxBatchNum</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>165</span> </span><span class="WHIT">                </span><span class="NAME">this._renderBatches</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>166</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>167</span> 
<span class='line'>168</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">vertexs</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this._createVertexs</span><span class="PUNC">(</span><span class="NAME">image</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">rect</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">rect</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">sw</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">sh</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>169</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.batchIndex</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">this.positionStride</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>170</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">float32Array</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.float32Array</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>171</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">uint32Array</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.uint32Array</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>172</span> 
<span class='line'>173</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">tint</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">target.tint</span><span class="WHIT"> </span><span class="PUNC">>></span><span class="WHIT"> </span><span class="NUMB">16</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">target.tint</span><span class="WHIT"> </span><span class="PUNC">&</span><span class="WHIT"> </span><span class="NUMB">0xff00</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">(</span><span class="NAME">target.tint</span><span class="WHIT"> </span><span class="PUNC">&</span><span class="WHIT"> </span><span class="NUMB">0xff</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">&lt;&lt;</span><span class="WHIT"> </span><span class="NUMB">16</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">target.__webglRenderAlpha</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">255</span><span class="WHIT"> </span><span class="PUNC">&lt;&lt;</span><span class="WHIT"> </span><span class="NUMB">24</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>174</span> 
<span class='line'>175</span> </span><span class="WHIT">            </span><span class="NAME">float32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">vertexs</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="COMM">//x</span><span class="WHIT">
<span class='line'>176</span> </span><span class="WHIT">            </span><span class="NAME">float32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">vertexs</span><span class="PUNC">[</span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="COMM">//y</span><span class="WHIT">
<span class='line'>177</span> </span><span class="WHIT">            </span><span class="NAME">float32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">vertexs</span><span class="PUNC">[</span><span class="NUMB">2</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="COMM">//uvx</span><span class="WHIT">
<span class='line'>178</span> </span><span class="WHIT">            </span><span class="NAME">float32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">3</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">vertexs</span><span class="PUNC">[</span><span class="NUMB">3</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="COMM">//uvy</span><span class="WHIT">
<span class='line'>179</span> </span><span class="WHIT">            </span><span class="NAME">uint32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">4</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">tint</span><span class="PUNC">;</span><span class="COMM">//tint</span><span class="WHIT">
<span class='line'>180</span> 
<span class='line'>181</span> </span><span class="WHIT">            </span><span class="NAME">float32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">5</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">vertexs</span><span class="PUNC">[</span><span class="NUMB">4</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>182</span> </span><span class="WHIT">            </span><span class="NAME">float32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">6</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">vertexs</span><span class="PUNC">[</span><span class="NUMB">5</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>183</span> </span><span class="WHIT">            </span><span class="NAME">float32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">7</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">vertexs</span><span class="PUNC">[</span><span class="NUMB">6</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>184</span> </span><span class="WHIT">            </span><span class="NAME">float32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">8</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">vertexs</span><span class="PUNC">[</span><span class="NUMB">7</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>185</span> </span><span class="WHIT">            </span><span class="NAME">uint32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">9</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">tint</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>186</span> 
<span class='line'>187</span> </span><span class="WHIT">            </span><span class="NAME">float32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">10</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">vertexs</span><span class="PUNC">[</span><span class="NUMB">8</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>188</span> </span><span class="WHIT">            </span><span class="NAME">float32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">11</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">vertexs</span><span class="PUNC">[</span><span class="NUMB">9</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>189</span> </span><span class="WHIT">            </span><span class="NAME">float32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">12</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">vertexs</span><span class="PUNC">[</span><span class="NUMB">10</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>190</span> </span><span class="WHIT">            </span><span class="NAME">float32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">13</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">vertexs</span><span class="PUNC">[</span><span class="NUMB">11</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>191</span> </span><span class="WHIT">            </span><span class="NAME">uint32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">14</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">tint</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>192</span> 
<span class='line'>193</span> </span><span class="WHIT">            </span><span class="NAME">float32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">15</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">vertexs</span><span class="PUNC">[</span><span class="NUMB">12</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>194</span> </span><span class="WHIT">            </span><span class="NAME">float32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">16</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">vertexs</span><span class="PUNC">[</span><span class="NUMB">13</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>195</span> </span><span class="WHIT">            </span><span class="NAME">float32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">17</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">vertexs</span><span class="PUNC">[</span><span class="NUMB">14</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>196</span> </span><span class="WHIT">            </span><span class="NAME">float32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">18</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">vertexs</span><span class="PUNC">[</span><span class="NUMB">15</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>197</span> </span><span class="WHIT">            </span><span class="NAME">uint32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">19</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">tint</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>198</span> 
<span class='line'>199</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">matrix</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">target.__webglWorldMatrix</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>200</span> </span><span class="WHIT">            </span><span class="KEYW">for</span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">4</span><span class="PUNC">;</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">++</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>201</span> </span><span class="WHIT">                </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">float32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">*</span><span class="NUMB">5</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>202</span> </span><span class="WHIT">                </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">float32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">*</span><span class="NUMB">5</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>203</span> 
<span class='line'>204</span> </span><span class="WHIT">                </span><span class="NAME">float32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">*</span><span class="NUMB">5</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">matrix.a</span><span class="PUNC">*</span><span class="NAME">x</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">matrix.c</span><span class="PUNC">*</span><span class="NAME">y</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">matrix.tx</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>205</span> </span><span class="WHIT">                </span><span class="NAME">float32Array</span><span class="PUNC">[</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">*</span><span class="NUMB">5</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">matrix.b</span><span class="PUNC">*</span><span class="NAME">x</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">matrix.d</span><span class="PUNC">*</span><span class="NAME">y</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">matrix.ty</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>206</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>207</span> 
<span class='line'>208</span> </span><span class="WHIT">            </span><span class="NAME">target.__textureImage</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">image</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>209</span> </span><span class="WHIT">            </span><span class="NAME">this.sprites</span><span class="PUNC">[</span><span class="NAME">this.batchIndex</span><span class="PUNC">++</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">target</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>210</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>211</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>212</span> 
<span class='line'>213</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>214</span>      * @private
<span class='line'>215</span>      * @see Renderer#endDraw
<span class='line'>216</span>      */</span><span class="WHIT">
<span class='line'>217</span> </span><span class="WHIT">    </span><span class="NAME">endDraw</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">target</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>218</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">target</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NAME">this.stage</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>219</span> </span><span class="WHIT">            </span><span class="NAME">this._renderBatches</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>220</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>221</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>222</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>223</span>      * @private
<span class='line'>224</span>      * @see Renderer#transform
<span class='line'>225</span>      */</span><span class="WHIT">
<span class='line'>226</span> </span><span class="WHIT">    </span><span class="NAME">transform</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">target</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>227</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">drawable</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">target.drawable</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>228</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">drawable</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">drawable.domElement</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>229</span> </span><span class="WHIT">            </span><span class="NAME">Hilo.setElementStyleByView</span><span class="PUNC">(</span><span class="NAME">target</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>230</span> </span><span class="WHIT">            </span><span class="KEYW">return</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>231</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>232</span> 
<span class='line'>233</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">scaleX</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">target.scaleX</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>234</span> </span><span class="WHIT">            </span><span class="NAME">scaleY</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">target.scaleY</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>235</span> 
<span class='line'>236</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">target</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="NAME">this.stage</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>237</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">style</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.canvas.style</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>238</span> </span><span class="WHIT">                </span><span class="NAME">oldScaleX</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">target._scaleX</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>239</span> </span><span class="WHIT">                </span><span class="NAME">oldScaleY</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">target._scaleY</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>240</span> </span><span class="WHIT">                </span><span class="NAME">isStyleChange</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>241</span> 
<span class='line'>242</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">oldScaleX</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">scaleX</span><span class="WHIT"> </span><span class="PUNC">!=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">oldScaleX</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">oldScaleX</span><span class="WHIT"> </span><span class="PUNC">!=</span><span class="WHIT"> </span><span class="NAME">scaleX</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>243</span> </span><span class="WHIT">                </span><span class="NAME">target._scaleX</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">scaleX</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>244</span> </span><span class="WHIT">                </span><span class="NAME">style.width</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">scaleX</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">target.width</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">"px"</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>245</span> </span><span class="WHIT">                </span><span class="NAME">isStyleChange</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>246</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>247</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">oldScaleY</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">scaleY</span><span class="WHIT"> </span><span class="PUNC">!=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">oldScaleY</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">oldScaleY</span><span class="WHIT"> </span><span class="PUNC">!=</span><span class="WHIT"> </span><span class="NAME">scaleY</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>248</span> </span><span class="WHIT">                </span><span class="NAME">target._scaleY</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">scaleY</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>249</span> </span><span class="WHIT">                </span><span class="NAME">style.height</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">scaleY</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">target.height</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">"px"</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>250</span> </span><span class="WHIT">                </span><span class="NAME">isStyleChange</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>251</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>252</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">isStyleChange</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>253</span> </span><span class="WHIT">                </span><span class="NAME">target.updateViewport</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>254</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>255</span> </span><span class="WHIT">            </span><span class="NAME">target.__webglWorldMatrix</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">target.__webglWorldMatrix</span><span class="PUNC">||</span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Matrix</span><span class="PUNC">(</span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>256</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>257</span> </span><span class="WHIT">        </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">target.parent</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>258</span> </span><span class="WHIT">            </span><span class="NAME">target.__webglWorldMatrix</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">target.__webglWorldMatrix</span><span class="PUNC">||</span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Matrix</span><span class="PUNC">(</span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>259</span> </span><span class="WHIT">            </span><span class="NAME">this._setConcatenatedMatrix</span><span class="PUNC">(</span><span class="NAME">target</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">target.parent</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>260</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>261</span> 
<span class='line'>262</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">target.alpha</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>263</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">target.parent</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">target.parent.__webglRenderAlpha</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>264</span> </span><span class="WHIT">                </span><span class="NAME">target.__webglRenderAlpha</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">target.alpha</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">target.parent.__webglRenderAlpha</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>265</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>266</span> </span><span class="WHIT">            </span><span class="KEYW">else</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>267</span> </span><span class="WHIT">                </span><span class="NAME">target.__webglRenderAlpha</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">target.alpha</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>268</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>269</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>270</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>271</span> 
<span class='line'>272</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>273</span>      * @private
<span class='line'>274</span>      * @see Renderer#remove
<span class='line'>275</span>      */</span><span class="WHIT">
<span class='line'>276</span> </span><span class="WHIT">    </span><span class="NAME">remove</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">target</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>277</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">drawable</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">target.drawable</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>278</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">elem</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">drawable</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">drawable.domElement</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>279</span> 
<span class='line'>280</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">elem</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>281</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">parentElem</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">elem.parentNode</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>282</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">parentElem</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>283</span> </span><span class="WHIT">                </span><span class="NAME">parentElem.removeChild</span><span class="PUNC">(</span><span class="NAME">elem</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>284</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>285</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>286</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>287</span> 
<span class='line'>288</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>289</span>      * @private
<span class='line'>290</span>      * @see Renderer#clear
<span class='line'>291</span>      */</span><span class="WHIT">
<span class='line'>292</span> </span><span class="WHIT">    </span><span class="NAME">clear</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">width</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">height</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>293</span> </span><span class="WHIT">        </span><span class="NAME">this.gl.clear</span><span class="PUNC">(</span><span class="NAME">this.gl.COLOR_BUFFER_BIT</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>294</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>295</span> 
<span class='line'>296</span> </span><span class="WHIT">    </span><span class="COMM">/**
<span class='line'>297</span>      * @private
<span class='line'>298</span>      * @see Renderer#resize
<span class='line'>299</span>      */</span><span class="WHIT">
<span class='line'>300</span> </span><span class="WHIT">    </span><span class="NAME">resize</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">width</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">height</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>301</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">this.width</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">width</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">this.height</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">height</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>302</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">canvas</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.canvas</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>303</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">stage</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.stage</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>304</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">style</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">canvas.style</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>305</span> 
<span class='line'>306</span> </span><span class="WHIT">            </span><span class="NAME">this.width</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">canvas.width</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">width</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>307</span> </span><span class="WHIT">            </span><span class="NAME">this.height</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">canvas.height</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">height</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>308</span> 
<span class='line'>309</span> </span><span class="WHIT">            </span><span class="NAME">style.width</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">stage.width</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">stage.scaleX</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">'px'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>310</span> </span><span class="WHIT">            </span><span class="NAME">style.height</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">stage.height</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">stage.scaleY</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">'px'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>311</span> 
<span class='line'>312</span> </span><span class="WHIT">            </span><span class="NAME">this.gl.viewport</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">width</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">height</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>313</span> 
<span class='line'>314</span> </span><span class="WHIT">            </span><span class="NAME">this.canvasHalfWidth</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">width</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="PUNC">.</span><span class="NUMB">5</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>315</span> </span><span class="WHIT">            </span><span class="NAME">this.canvasHalfHeight</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">height</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="PUNC">.</span><span class="NUMB">5</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>316</span> 
<span class='line'>317</span> </span><span class="WHIT">            </span><span class="NAME">this._uploadProjectionTransform</span><span class="PUNC">(</span><span class="KEYW">true</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>318</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>319</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>320</span> </span><span class="WHIT">    </span><span class="NAME">_renderBatches</span><span class="PUNC">:</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>321</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">gl</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.gl</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>322</span> </span><span class="WHIT">        </span><span class="NAME">gl.bufferSubData</span><span class="PUNC">(</span><span class="NAME">gl.ARRAY_BUFFER</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">this.uint32Array.subarray</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">this.batchIndex</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">this.positionStride</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>323</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">startIndex</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>324</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">batchNum</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>325</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">preTextureImage</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>326</span> </span><span class="WHIT">        </span><span class="KEYW">for</span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">this.batchIndex</span><span class="PUNC">;</span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">++</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>327</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">sprite</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.sprites</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>328</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">preTextureImage</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">preTextureImage</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">sprite.__textureImage</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>329</span> </span><span class="WHIT">                </span><span class="NAME">this._renderBatch</span><span class="PUNC">(</span><span class="NAME">startIndex</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>330</span> </span><span class="WHIT">                </span><span class="NAME">startIndex</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>331</span> </span><span class="WHIT">                </span><span class="NAME">batchNum</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>332</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>333</span> </span><span class="WHIT">            </span><span class="NAME">preTextureImage</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">sprite.__textureImage</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>334</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>335</span> </span><span class="WHIT">        </span><span class="NAME">this._renderBatch</span><span class="PUNC">(</span><span class="NAME">startIndex</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">this.batchIndex</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>336</span> </span><span class="WHIT">        </span><span class="NAME">this.batchIndex</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>337</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>338</span> </span><span class="WHIT">    </span><span class="NAME">_renderBatch</span><span class="PUNC">:</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">start</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">end</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>339</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">gl</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.gl</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>340</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">num</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">end</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">start</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>341</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">num</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>342</span> </span><span class="WHIT">            </span><span class="NAME">gl.bindTexture</span><span class="PUNC">(</span><span class="NAME">gl.TEXTURE_2D</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">this._getTexture</span><span class="PUNC">(</span><span class="NAME">this.sprites</span><span class="PUNC">[</span><span class="NAME">start</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>343</span> </span><span class="WHIT">            </span><span class="NAME">gl.drawElements</span><span class="PUNC">(</span><span class="NAME">gl.TRIANGLES</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">num</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">6</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">gl.UNSIGNED_SHORT</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">start</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">6</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>344</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>345</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>346</span> </span><span class="WHIT">    </span><span class="NAME">_uploadProjectionTransform</span><span class="PUNC">:</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">force</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>347</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">this._projectionTransformElements</span><span class="PUNC">||</span><span class="NAME">force</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>348</span> </span><span class="WHIT">            </span><span class="NAME">this._projectionTransformElements</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Float32Array</span><span class="PUNC">(</span><span class="PUNC">[</span><span class="WHIT">
<span class='line'>349</span> </span><span class="WHIT">                </span><span class="NUMB">1</span><span class="PUNC">/</span><span class="NAME">this.canvasHalfWidth</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>350</span> </span><span class="WHIT">                </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NUMB">1</span><span class="PUNC">/</span><span class="NAME">this.canvasHalfHeight</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>351</span> </span><span class="WHIT">                </span><span class="PUNC">-</span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>352</span> </span><span class="WHIT">            </span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>353</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>354</span> 
<span class='line'>355</span> </span><span class="WHIT">        </span><span class="NAME">this.gl.uniformMatrix3fv</span><span class="PUNC">(</span><span class="NAME">this.u_projectionTransform</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">this._projectionTransformElements</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>356</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>357</span> </span><span class="WHIT">    </span><span class="NAME">_initShaders</span><span class="PUNC">:</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>358</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">VSHADER_SOURCE</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="STRN">'\
<span class='line'>359</span>             attribute vec2 a_position;\n\
<span class='line'>360</span>             attribute vec2 a_TexCoord;\n\
<span class='line'>361</span>             attribute vec4 a_tint;\n\
<span class='line'>362</span>             uniform mat3 u_projectionTransform;\n\
<span class='line'>363</span>             varying vec2 v_TexCoord;\n\
<span class='line'>364</span>             varying vec4 v_tint;\n\
<span class='line'>365</span>             void main(){\n\
<span class='line'>366</span>                 gl_Position =  vec4((u_projectionTransform * vec3(a_position, 1.0)).xy, 1.0, 1.0);\n\
<span class='line'>367</span>                 v_TexCoord = a_TexCoord;\n\
<span class='line'>368</span>                 v_tint = vec4(a_tint.rgb * a_tint.a, a_tint.a);\n\
<span class='line'>369</span>             }\n\
<span class='line'>370</span>         '</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>371</span> 
<span class='line'>372</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">FSHADER_SOURCE</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'\n\
<span class='line'>373</span>             precision mediump float;\n\
<span class='line'>374</span>             uniform sampler2D u_Sampler;\n\
<span class='line'>375</span>             varying vec2 v_TexCoord;\n\
<span class='line'>376</span>             varying vec4 v_tint;\n\
<span class='line'>377</span>             void main(){\n\
<span class='line'>378</span>                 gl_FragColor = texture2D(u_Sampler, v_TexCoord) * v_tint;\n\
<span class='line'>379</span>             }\n\
<span class='line'>380</span>         '</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>381</span> 
<span class='line'>382</span> </span><span class="WHIT">        </span><span class="NAME">this.defaultShader</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Shader</span><span class="PUNC">(</span><span class="KEYW">this</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>383</span> </span><span class="WHIT">            </span><span class="NAME">v</span><span class="PUNC">:</span><span class="NAME">VSHADER_SOURCE</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>384</span> </span><span class="WHIT">            </span><span class="NAME">f</span><span class="PUNC">:</span><span class="NAME">FSHADER_SOURCE</span><span class="WHIT">
<span class='line'>385</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>386</span> </span><span class="WHIT">            </span><span class="NAME">attributes</span><span class="PUNC">:</span><span class="PUNC">[</span><span class="STRN">"a_position"</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">"a_TexCoord"</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">"a_tint"</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>387</span> </span><span class="WHIT">            </span><span class="NAME">uniforms</span><span class="PUNC">:</span><span class="PUNC">[</span><span class="STRN">"u_projectionTransform"</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">"u_Sampler"</span><span class="PUNC">]</span><span class="WHIT">
<span class='line'>388</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>389</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>390</span> </span><span class="WHIT">    </span><span class="NAME">_createVertexs</span><span class="PUNC">:</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">img</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">tx</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">ty</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">tw</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">th</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">x</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>391</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">tempVertexs</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.__tempVertexs</span><span class="PUNC">||</span><span class="PUNC">[</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>392</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">width</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">img.width</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>393</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">height</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">img.height</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>394</span> 
<span class='line'>395</span> </span><span class="WHIT">        </span><span class="NAME">tw</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">tw</span><span class="PUNC">/</span><span class="NAME">width</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>396</span> </span><span class="WHIT">        </span><span class="NAME">th</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">th</span><span class="PUNC">/</span><span class="NAME">height</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>397</span> </span><span class="WHIT">        </span><span class="NAME">tx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">tx</span><span class="PUNC">/</span><span class="NAME">width</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>398</span> </span><span class="WHIT">        </span><span class="NAME">ty</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">ty</span><span class="PUNC">/</span><span class="NAME">height</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>399</span> 
<span class='line'>400</span> </span><span class="WHIT">        </span><span class="NAME">w</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">w</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>401</span> </span><span class="WHIT">        </span><span class="NAME">h</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">h</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>402</span> </span><span class="WHIT">        </span><span class="NAME">x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">x</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>403</span> </span><span class="WHIT">        </span><span class="NAME">y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>404</span> 
<span class='line'>405</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">tw</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">tx</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>406</span> </span><span class="WHIT">            </span><span class="NAME">tw</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">tx</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>407</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>408</span> 
<span class='line'>409</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">th</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">ty</span><span class="WHIT"> </span><span class="PUNC">></span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>410</span> </span><span class="WHIT">            </span><span class="NAME">th</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">ty</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>411</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>412</span> 
<span class='line'>413</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>414</span> </span><span class="WHIT">        </span><span class="NAME">tempVertexs</span><span class="PUNC">[</span><span class="NAME">index</span><span class="PUNC">++</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">x</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">tempVertexs</span><span class="PUNC">[</span><span class="NAME">index</span><span class="PUNC">++</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">tempVertexs</span><span class="PUNC">[</span><span class="NAME">index</span><span class="PUNC">++</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">tx</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">tempVertexs</span><span class="PUNC">[</span><span class="NAME">index</span><span class="PUNC">++</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">ty</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>415</span> </span><span class="WHIT">        </span><span class="NAME">tempVertexs</span><span class="PUNC">[</span><span class="NAME">index</span><span class="PUNC">++</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">x</span><span class="PUNC">+</span><span class="NAME">w</span><span class="PUNC">;</span><span class="NAME">tempVertexs</span><span class="PUNC">[</span><span class="NAME">index</span><span class="PUNC">++</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">tempVertexs</span><span class="PUNC">[</span><span class="NAME">index</span><span class="PUNC">++</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">tx</span><span class="PUNC">+</span><span class="NAME">tw</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">tempVertexs</span><span class="PUNC">[</span><span class="NAME">index</span><span class="PUNC">++</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">ty</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>416</span> </span><span class="WHIT">        </span><span class="NAME">tempVertexs</span><span class="PUNC">[</span><span class="NAME">index</span><span class="PUNC">++</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">x</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">tempVertexs</span><span class="PUNC">[</span><span class="NAME">index</span><span class="PUNC">++</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">+</span><span class="NAME">h</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">tempVertexs</span><span class="PUNC">[</span><span class="NAME">index</span><span class="PUNC">++</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">tx</span><span class="PUNC">;</span><span class="NAME">tempVertexs</span><span class="PUNC">[</span><span class="NAME">index</span><span class="PUNC">++</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">ty</span><span class="PUNC">+</span><span class="NAME">th</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>417</span> </span><span class="WHIT">        </span><span class="NAME">tempVertexs</span><span class="PUNC">[</span><span class="NAME">index</span><span class="PUNC">++</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">x</span><span class="PUNC">+</span><span class="NAME">w</span><span class="PUNC">;</span><span class="NAME">tempVertexs</span><span class="PUNC">[</span><span class="NAME">index</span><span class="PUNC">++</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">y</span><span class="PUNC">+</span><span class="NAME">h</span><span class="PUNC">;</span><span class="NAME">tempVertexs</span><span class="PUNC">[</span><span class="NAME">index</span><span class="PUNC">++</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">tx</span><span class="PUNC">+</span><span class="NAME">tw</span><span class="PUNC">;</span><span class="NAME">tempVertexs</span><span class="PUNC">[</span><span class="NAME">index</span><span class="PUNC">++</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">ty</span><span class="PUNC">+</span><span class="NAME">th</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>418</span> 
<span class='line'>419</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">tempVertexs</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>420</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>421</span> </span><span class="WHIT">    </span><span class="NAME">_setConcatenatedMatrix</span><span class="PUNC">:</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">view</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">ancestor</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>422</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">mtx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">view.__webglWorldMatrix</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>423</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">cos</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">sin</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>424</span> </span><span class="WHIT">            </span><span class="NAME">rotation</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">view.rotation</span><span class="WHIT"> </span><span class="PUNC">%</span><span class="WHIT"> </span><span class="NUMB">360</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>425</span> </span><span class="WHIT">            </span><span class="NAME">pivotX</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">view.pivotX</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">pivotY</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">view.pivotY</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>426</span> </span><span class="WHIT">            </span><span class="NAME">scaleX</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">view.scaleX</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">scaleY</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">view.scaleY</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>427</span> </span><span class="WHIT">            </span><span class="NAME">transform</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">view.transform</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>428</span> 
<span class='line'>429</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">transform</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>430</span> </span><span class="WHIT">            </span><span class="NAME">mtx.copy</span><span class="PUNC">(</span><span class="NAME">transform</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>431</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>432</span> </span><span class="WHIT">        </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>433</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">rotation</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>434</span> </span><span class="WHIT">                </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">r</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">rotation</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">DEG2RAD</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>435</span> </span><span class="WHIT">                </span><span class="NAME">cos</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.cos</span><span class="PUNC">(</span><span class="NAME">r</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>436</span> </span><span class="WHIT">                </span><span class="NAME">sin</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.sin</span><span class="PUNC">(</span><span class="NAME">r</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>437</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>438</span> 
<span class='line'>439</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">pos</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">view.getAlignPosition</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>440</span> 
<span class='line'>441</span> </span><span class="WHIT">            </span><span class="NAME">mtx.a</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">cos</span><span class="PUNC">*</span><span class="NAME">scaleX</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>442</span> </span><span class="WHIT">            </span><span class="NAME">mtx.b</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">sin</span><span class="PUNC">*</span><span class="NAME">scaleX</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>443</span> </span><span class="WHIT">            </span><span class="NAME">mtx.c</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NAME">sin</span><span class="PUNC">*</span><span class="NAME">scaleY</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>444</span> </span><span class="WHIT">            </span><span class="NAME">mtx.d</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">cos</span><span class="PUNC">*</span><span class="NAME">scaleY</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>445</span> </span><span class="WHIT">            </span><span class="NAME">mtx.tx</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT">  </span><span class="NAME">pos.x</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">mtx.a</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">pivotX</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">mtx.c</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">pivotY</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>446</span> </span><span class="WHIT">            </span><span class="NAME">mtx.ty</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT">  </span><span class="NAME">pos.y</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">mtx.b</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">pivotX</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">mtx.d</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">pivotY</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>447</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>448</span> 
<span class='line'>449</span> </span><span class="WHIT">        </span><span class="NAME">mtx.concat</span><span class="PUNC">(</span><span class="NAME">ancestor.__webglWorldMatrix</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>450</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>451</span> </span><span class="WHIT">    </span><span class="NAME">_getTexture</span><span class="PUNC">:</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">sprite</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>452</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">image</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">sprite.__textureImage</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>453</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">texture</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this._cacheTexture</span><span class="PUNC">[</span><span class="NAME">image.src</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>454</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">texture</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>455</span> </span><span class="WHIT">            </span><span class="NAME">texture</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.activeShader.uploadTexture</span><span class="PUNC">(</span><span class="NAME">image</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>456</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>457</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">texture</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>458</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>459</span> </span><span class="PUNC">}</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>460</span> 
<span class='line'>461</span> </span><span class="COMM">/**
<span class='line'>462</span>  * shader
<span class='line'>463</span>  * @param {WebGLRenderer} renderer [description]
<span class='line'>464</span>  * @param {Object} source
<span class='line'>465</span>  * @param {String} source.v 顶点shader
<span class='line'>466</span>  * @param {String} source.f 片段shader
<span class='line'>467</span>  * @param {Object} attr
<span class='line'>468</span>  * @param {Array} attr.attributes attribute数组
<span class='line'>469</span>  * @param {Array} attr.uniforms uniform数组
<span class='line'>470</span>  */</span><span class="WHIT">
<span class='line'>471</span> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">Shader</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">renderer</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">source</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">attr</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>472</span> </span><span class="WHIT">    </span><span class="NAME">this.renderer</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">renderer</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>473</span> </span><span class="WHIT">    </span><span class="NAME">this.gl</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">renderer.gl</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>474</span> </span><span class="WHIT">    </span><span class="NAME">this.program</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this._createProgram</span><span class="PUNC">(</span><span class="NAME">this.gl</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">source.v</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">source.f</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>475</span> 
<span class='line'>476</span> </span><span class="WHIT">    </span><span class="NAME">attr</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">attr</span><span class="PUNC">||</span><span class="PUNC">{</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>477</span> </span><span class="WHIT">    </span><span class="NAME">this.attributes</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">attr.attributes</span><span class="PUNC">||</span><span class="PUNC">[</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>478</span> </span><span class="WHIT">    </span><span class="NAME">this.uniforms</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">attr.uniforms</span><span class="PUNC">||</span><span class="PUNC">[</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>479</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>480</span> 
<span class='line'>481</span> </span><span class="NAME">Shader.prototype</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>482</span> </span><span class="WHIT">    </span><span class="NAME">active</span><span class="PUNC">:</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>483</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">that</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>484</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">renderer</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">that.renderer</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>485</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">gl</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">that.gl</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>486</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">program</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">that.program</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>487</span> 
<span class='line'>488</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">program</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">gl</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>489</span> </span><span class="WHIT">            </span><span class="NAME">renderer.activeShader</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">that</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>490</span> </span><span class="WHIT">            </span><span class="NAME">gl.useProgram</span><span class="PUNC">(</span><span class="NAME">program</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>491</span> </span><span class="WHIT">            </span><span class="NAME">that.attributes.forEach</span><span class="PUNC">(</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">attribute</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>492</span> </span><span class="WHIT">                </span><span class="NAME">renderer</span><span class="PUNC">[</span><span class="NAME">attribute</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gl.getAttribLocation</span><span class="PUNC">(</span><span class="NAME">program</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">attribute</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>493</span> </span><span class="WHIT">                </span><span class="NAME">gl.enableVertexAttribArray</span><span class="PUNC">(</span><span class="NAME">renderer</span><span class="PUNC">[</span><span class="NAME">attribute</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>494</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>495</span> 
<span class='line'>496</span> </span><span class="WHIT">            </span><span class="NAME">that.uniforms.forEach</span><span class="PUNC">(</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">uniform</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>497</span> </span><span class="WHIT">                </span><span class="NAME">renderer</span><span class="PUNC">[</span><span class="NAME">uniform</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gl.getUniformLocation</span><span class="PUNC">(</span><span class="NAME">program</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">uniform</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>498</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>499</span> 
<span class='line'>500</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">that.width</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">renderer.width</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">that.height</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">renderer.height</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>501</span> </span><span class="WHIT">                </span><span class="NAME">that.width</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">renderer.width</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>502</span> </span><span class="WHIT">                </span><span class="NAME">that.height</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">renderer.height</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>503</span> </span><span class="WHIT">                </span><span class="NAME">renderer._uploadProjectionTransform</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>504</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>505</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>506</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>507</span> </span><span class="WHIT">    </span><span class="NAME">uploadTexture</span><span class="PUNC">:</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">image</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>508</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">gl</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.gl</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>509</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">renderer</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.renderer</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>510</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">texture</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gl.createTexture</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>511</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">u_Sampler</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">renderer.u_Sampler</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>512</span> 
<span class='line'>513</span> </span><span class="WHIT">        </span><span class="NAME">gl.activeTexture</span><span class="PUNC">(</span><span class="NAME">gl.TEXTURE0</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>514</span> </span><span class="WHIT">        </span><span class="NAME">gl.bindTexture</span><span class="PUNC">(</span><span class="NAME">gl.TEXTURE_2D</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">texture</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>515</span> 
<span class='line'>516</span> </span><span class="WHIT">        </span><span class="COMM">// gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, 1);</span><span class="WHIT">
<span class='line'>517</span> </span><span class="WHIT">        </span><span class="NAME">gl.pixelStorei</span><span class="PUNC">(</span><span class="NAME">gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>518</span> </span><span class="WHIT">        </span><span class="NAME">gl.texImage2D</span><span class="PUNC">(</span><span class="NAME">gl.TEXTURE_2D</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">gl.RGBA</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">gl.RGBA</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">gl.UNSIGNED_BYTE</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">image</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>519</span> 
<span class='line'>520</span> </span><span class="WHIT">        </span><span class="NAME">gl.texParameteri</span><span class="PUNC">(</span><span class="NAME">gl.TEXTURE_2D</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">gl.TEXTURE_MIN_FILTER</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">gl.LINEAR</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>521</span> </span><span class="WHIT">        </span><span class="NAME">gl.texParameteri</span><span class="PUNC">(</span><span class="NAME">gl.TEXTURE_2D</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">gl.TEXTURE_MAG_FILTER</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">gl.LINEAR</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>522</span> </span><span class="WHIT">        </span><span class="NAME">gl.texParameteri</span><span class="PUNC">(</span><span class="NAME">gl.TEXTURE_2D</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">gl.TEXTURE_WRAP_S</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">gl.CLAMP_TO_EDGE</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>523</span> </span><span class="WHIT">        </span><span class="NAME">gl.texParameteri</span><span class="PUNC">(</span><span class="NAME">gl.TEXTURE_2D</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">gl.TEXTURE_WRAP_T</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">gl.CLAMP_TO_EDGE</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>524</span> </span><span class="WHIT">        </span><span class="NAME">gl.uniform1i</span><span class="PUNC">(</span><span class="NAME">u_Sampler</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>525</span> </span><span class="WHIT">        </span><span class="NAME">gl.bindTexture</span><span class="PUNC">(</span><span class="NAME">gl.TEXTURE_2D</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>526</span> 
<span class='line'>527</span> </span><span class="WHIT">        </span><span class="NAME">this.renderer._cacheTexture</span><span class="PUNC">[</span><span class="NAME">image.src</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">texture</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>528</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">texture</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>529</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>530</span> </span><span class="WHIT">    </span><span class="NAME">_createProgram</span><span class="PUNC">:</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">gl</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">vshader</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">fshader</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>531</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">vertexShader</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this._createShader</span><span class="PUNC">(</span><span class="NAME">gl</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">gl.VERTEX_SHADER</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">vshader</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>532</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">fragmentShader</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this._createShader</span><span class="PUNC">(</span><span class="NAME">gl</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">gl.FRAGMENT_SHADER</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">fshader</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>533</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">vertexShader</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">!</span><span class="NAME">fragmentShader</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>534</span> </span><span class="WHIT">            </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>535</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>536</span> 
<span class='line'>537</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">program</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gl.createProgram</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>538</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">program</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>539</span> </span><span class="WHIT">            </span><span class="NAME">gl.attachShader</span><span class="PUNC">(</span><span class="NAME">program</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">vertexShader</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>540</span> </span><span class="WHIT">            </span><span class="NAME">gl.attachShader</span><span class="PUNC">(</span><span class="NAME">program</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">fragmentShader</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>541</span> 
<span class='line'>542</span> </span><span class="WHIT">            </span><span class="NAME">gl.linkProgram</span><span class="PUNC">(</span><span class="NAME">program</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>543</span> 
<span class='line'>544</span> </span><span class="WHIT">            </span><span class="NAME">gl.deleteShader</span><span class="PUNC">(</span><span class="NAME">fragmentShader</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>545</span> </span><span class="WHIT">            </span><span class="NAME">gl.deleteShader</span><span class="PUNC">(</span><span class="NAME">vertexShader</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>546</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">linked</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gl.getProgramParameter</span><span class="PUNC">(</span><span class="NAME">program</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">gl.LINK_STATUS</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>547</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">linked</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>548</span> </span><span class="WHIT">                </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">error</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gl.getProgramInfoLog</span><span class="PUNC">(</span><span class="NAME">program</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>549</span> </span><span class="WHIT">                </span><span class="NAME">console.log</span><span class="PUNC">(</span><span class="STRN">'Failed to link program: '</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">error</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>550</span> </span><span class="WHIT">                </span><span class="NAME">gl.deleteProgram</span><span class="PUNC">(</span><span class="NAME">program</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>551</span> </span><span class="WHIT">                </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>552</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>553</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>554</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">program</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>555</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>556</span> </span><span class="WHIT">    </span><span class="NAME">_createShader</span><span class="PUNC">:</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">gl</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">type</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">source</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>557</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">shader</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gl.createShader</span><span class="PUNC">(</span><span class="NAME">type</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>558</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">shader</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>559</span> </span><span class="WHIT">            </span><span class="NAME">gl.shaderSource</span><span class="PUNC">(</span><span class="NAME">shader</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">source</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>560</span> </span><span class="WHIT">            </span><span class="NAME">gl.compileShader</span><span class="PUNC">(</span><span class="NAME">shader</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>561</span> 
<span class='line'>562</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">compiled</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gl.getShaderParameter</span><span class="PUNC">(</span><span class="NAME">shader</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">gl.COMPILE_STATUS</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>563</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">compiled</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>564</span> </span><span class="WHIT">                </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">error</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">gl.getShaderInfoLog</span><span class="PUNC">(</span><span class="NAME">shader</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>565</span> </span><span class="WHIT">                </span><span class="NAME">console.log</span><span class="PUNC">(</span><span class="STRN">'Failed to compile shader: '</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">error</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>566</span> </span><span class="WHIT">                </span><span class="NAME">gl.deleteShader</span><span class="PUNC">(</span><span class="NAME">shader</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>567</span> </span><span class="WHIT">                </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>568</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>569</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>570</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">shader</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>571</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>572</span> </span><span class="PUNC">}</span><span class="PUNC">;</span></pre></body></html>